<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div>
        <span>1</span>
        <span>2</span>
        <span>3</span>
    </div>
    <style>
        div{
            height:700px;
            width: 700px;
            background-color: aqua;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        div span{
            height:100px;
            width: 100px;
            background-color: rgb(242, 86, 20);
        }
    </style>
</body>
</html>